It’s shopping week for Marissa Mayer the CEO of Yahoo!. After offered Tumblr earlier this week, the big boss of Yahoo acquires another company to reinforce its troops.

Today, is the platform of online gaming PlayerScale which was bought by the Sunnyvale firm.

PlayerScale is a Multi-platform with 150 million players. With 4000 games, PlayerScale is an important asset for Yahoo, which will strengthen its online games section and try to compete with giants like Facebook.

Jesper Jensen, the boss PlayerScale reassures users saying that nothing will change. We can imagine, eventually, a full integration of the company’s services into those of Yahoo.

Meanwhile, this is the 13th acquisition of Yahoo since the arrival of Marissa Mayer as CEO of the firm.